Penny and Leonard discover paint in Sheldon's spot on the couch after the gang plays paintball in next week's episode of The Big Bang Theory, "The Cushion Saturation."
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The gang eats Chinese food and Sheldon has nowhere to sit when his cushion seat is covered in paintball goo. We feel for your pain Sheldon.
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Sheldon and Penny head to the cleaners to try and get a paint stain out of his couch cushion. We highly doubt that's going to work.
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Sheldon is horrified when he finds a paint stain on his couch on next week's episode. Penny is going to get into some serious trouble for this!
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Howard Wolowitz and Leslie Winkle do the nasty on next week's episode of The Big Bang Theory, "The Cushion Saturation." Really Wolowitz, Leonard's ex? That's not cool, even for you.
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The Big Bang Theory Season 2 Episode 16 Quotes

Leonard: You know what baffles me Sheldon?
Sheldon: Based on your academic record, I could guess any number of things

Penny: What are we gonna do?
Leonard: We? No, no, no. You had your chance to be "we" for like a year and a half now. Right now, you are you and you are screwed.